Suppose that 14 children who were learning to ride two-wheel bikes were surveyed to determine how long they needed to use training wheels revealed that they used them an average of 6 months with a sample standard deviation of 3 months. Assume that the underlying population d normal. Which of the following correctly defines the random variable -? O A.- is the average time that all children will need to use training wheels O B. is the time that all children will need to use training wheels O C. is the underlying normal distribution for the population OD. -is estimated with the sample statistic of 3 months O E. is the average time that the 14 children needed to use training wheels
Suppose that 14 children who were learning to ride two-wheel bikes were surveyed to determine how long they needed to use training wheels revealed that they used them an average of 6 months with a sample standard deviation of 3 months. Assume that the underlying population d normal. Which of the following correctly defines the random variable -? O A.- is the average time that all children will need to use training wheels O B. is the time that all children will need to use training wheels O C. is the underlying normal distribution for the population OD. -is estimated with the sample statistic of 3 months O E. is the average time that the 14 children needed to use training wheels
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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![Suppose that 14 children who were learning to ride two-wheel bikes were surveyed to determine how long they needed to use training wheels. It was
revealed that they used them an average of 6 months with a sample standard deviation of 3 months. Assume that the underlying population distribution is
normal. Which of the following correctly defines the random variable ?
O A.- is the average time that all children will need to use training wheels
O B. - is the time that all children will need to use training wheels
Oc.
is the underlying normal distribution for the population
O D.- is estimated with the sample statistic of 3 months
O E. - is the average time that the 14 children needed to use training wheels](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F05b4e834-3c5a-4fce-becb-1040ec8652a1%2F5eaf3d1f-496e-4054-be8d-d373246e6bec%2Fyv2hlkj_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Suppose that 14 children who were learning to ride two-wheel bikes were surveyed to determine how long they needed to use training wheels. It was
revealed that they used them an average of 6 months with a sample standard deviation of 3 months. Assume that the underlying population distribution is
normal. Which of the following correctly defines the random variable ?
O A.- is the average time that all children will need to use training wheels
O B. - is the time that all children will need to use training wheels
Oc.
is the underlying normal distribution for the population
O D.- is estimated with the sample statistic of 3 months
O E. - is the average time that the 14 children needed to use training wheels
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